Neptune

(redirected from Le Verrier's planet)
Also found in: Thesaurus, Encyclopedia.

Nep·tune

 (nĕp′to͞on′, -tyo͞on′)
n.
1.
a. Roman Mythology The god of water, later identified with the Greek Poseidon.
b. The sea.
2. The eighth planet from the sun, having a sidereal period of revolution around the sun of 164.8 years at a mean distance of 4.5 billion kilometers (2.8 billion miles), a mean equatorial diameter of 49,528 kilometers (30,775 miles), and a mass 17.25 times that of Earth.

[Latin Neptūnus.]

Nep·tu′ni·an (-to͞o′nē-ən, -tyo͞o′-) adj.

Neptune

(ˈnɛptjuːn)
n
(Classical Myth & Legend) the Roman god of the sea. Greek counterpart: Poseidon

Neptune

(ˈnɛptjuːn)
n
(Astronomy) the eighth planet from the sun, having fourteen known satellites, the largest being Triton and Nereid, and a faint planar system of rings or ring fragments. Mean distance from sun: 4497 million km; period of revolution around sun: 164.8 years; period of rotation: 14 to 16 hours; diameter and mass: 4.0 and 17.2 times that of earth respectively

Nep•tune

(ˈnɛp tun, -tyun)

n.
1. the Roman god of the sea, identified with the Greek god Poseidon.
2. the sea or ocean: Neptune's mighty roar.
3. the planet eighth in order from the sun, having an equatorial diameter of 30,200 mi. (48,600 km), a mean distance from the sun of 2794.4 million mi. (4497.1 million km), a period of revolution of 164.81 years, and at least six moons.
Nep•tu′ni•an, adj.

Nep·tune

(nĕp′to͞on′)
The eighth planet from the sun and the fourth largest, with a diameter almost four times that of Earth. Neptune has a very active weather system with extremely long and powerful storms. It is the coldest planet in the solar system, with an average surface temperature of -330°F (-201°C). See Table at solar system. See Note at planet.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Neptune - (Roman mythology) god of the seaNeptune - (Roman mythology) god of the sea; counterpart of Greek Poseidon
Roman mythology - the mythology of the ancient Romans
2.Neptune - a giant planet with a ring of ice particles; the 8th planet from the sun is the most remote of the gas giants; "the existence of Neptune was predicted from perturbations in the orbit of Uranus and it was then identified in 1846"
solar system - the sun with the celestial bodies that revolve around it in its gravitational field
Translations
Neptun
NeptunNeptunusNeptuun
Neptunus
Neptúnus
ネプチューン海王星
넵튠해왕성
Neptunus
Neptūnas
Neptūns
Neptun
Netuno
Neptún
Neptun
NeptunНептун
Neptunus

Neptune

[ˈneptjuːn] NNeptuno m

Neptune

n (Astron, Myth) → Neptun m

Neptune

[ˈnɛptjuːn] n (Myth, Astron) → Nettuno
References in periodicals archive ?
Johann Galle (1812-1910) sighted Neptune within one hour of beginning the hunt for Le Verrier's planet, becoming the first person to see Neptune and recognize he was looking at a new planet.
Galle persuaded his director, Johann Encke, to allow the search for Le Verrier's planet.